/***** BEGIN LICENSE BLOCK *****
 * Version: CPL 1.0/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Common Public
 * License Version 1.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.eclipse.org/legal/cpl-v10.html
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * Copyright (C) 2006 Mirko Stocker <me@misto.ch>
 * 
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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package org.jruby.ast.visitor.rewriter.utils;

import java.util.Iterator;

import org.jruby.ast.ArgumentNode;
import org.jruby.ast.Node;
import org.jruby.ast.visitor.rewriter.ReWriteVisitor;

public class MultipleAssignmentReWriteVisitor extends ReWriteVisitor {
	
	public MultipleAssignmentReWriteVisitor(ReWriterContext config) {
		super(config);
	}
	
	protected void printAssignmentOperator() {
	}
	
	protected boolean inMultipleAssignment() {
		return true;
	}
	
	// This might lead to a problem with comments
	public void visitAndPrintWithSeparator(Iterator it) {
		while (it.hasNext()) {
			Node n = (Node) it.next();
			if(n instanceof ArgumentNode) {
				config.getOutput().print(((ArgumentNode) n).getName());
			} else {
				visitNode(n);
			}
			if (it.hasNext())
				print(", ");
		}
	}
}